Fifth seed Ugo Humbert reached the second round of the Dubai Duty Free Tennis Championships by beating fellow Frenchman Gael Monfils 4-6, 6-3, 6-3.
Humbert avenged his recent loss to Monfils in the Doha Open quarter-finals to improve to 3-1 in their career head-to-head.
The World No. 18 will face three-time Grand Slam winner Andy Murray next.
Elsewhere, qualifier Arthur Cazaux marked his first appearance in the main draw of an ATP 500 tournament with an impressive 6-4, 7-6 victory over World No. 26 Lorenzo Musetti.
Meanwhile, fourth seed Karen Khachanov overcame a spirited performance from Luca Van Assche in a 6-2, 6-3 victory.
Khachanov, who won the Qatar Open last week, will face Czech Jiri Lehecka – who overcame a stern challenge from Hungarian qualifier Marton Fucsovics – in the round of 16 on Wednesday.
Tadej Pogacar's bid to complete cycling's Grand Tour hat-trick came to a painful end at the Vuelta a Espana on Saturday when the race leader and five-time Tour de France winner crashed out with blood on his face and an injured shoulder.
Liverpool's Victor Munoz has struck a late equaliser to salvage a 2-2 draw against Nottingham Forest on Saturday, but Andoni Iraola's side were left still searching for their first Premier League win of the season after his first home league game in charge.
Formula One world champion Lando Norris announced a contract extension with McLaren until at least the end of 2030 on Saturday, and said he would be happy to see out his career with a team that felt like home.
Liverpool have finalised an agreement to sign French forward Bradley Barcola from European champions Paris St Germain in a deal worth up to £123 million (AED614 million), with the 23-year-old set to become the latest high-profile addition to Andoni Iraola's squad.
Seven-times Grand Slam champion Carlos Alcaraz said "intrusive thoughts" about the timing of his return were the toughest part of a wrist injury layoff that sidelined him for nearly five months ahead of his US Open title defence.